Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458201 | Apparatus for producing single crystals and method for producing single crystals | Kouji Mizuishi | 2002-10-01 |
| 6340391 | Method for producing single crystal and pulling device | Eiichi Iino | 2002-01-22 |